Sixty miles/hour is about how many meters/second?
A) 96
B) 112
C) 1.6
D) 27
E) 37
D
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The figure shows the distance versus time graph of an object
The velocity of the moving object is
a.
zero.
b.
constant.
c.
increasing.
d.
decreasing.
e.
not determinable.
The surface water temperature on a large, deep lake is 3°C. A sensitive temperature probe is lowered several m into the lake. What temperature will the probe record?
A) a temperature warmer than 3°C B) a temperature less than 3°C C) a temperature equal to 3°C
Maxwell Mons on Venus is a huge:
A) impact crater larger than Texas. B) shield volcano. C) rift valley. D) tectonic mountain chain, like the Himalayas. E) ocean basin larger than the Pacific Ocean.
Acceleration due to gravity is 9.8 m/s2 on the surface of Earth, and at orbits 200 miles above the surface of Earth, where the space shuttle orbits, the acceleration is
A. less than 9.8 m/s2. B. greater than 9.8 m/s2. C. exactly 9.8 m/s2-same as on the surface of Earth. D. undetermined, because it depends on the mass of the spacecraft or satellite.